HP Color LaserJet Professional CP5220 Service Manual - Page 234
Control-panel message, Status alert, Description, Recommended action, X Error, Turn off then
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Control-panel message 56.X Error Turn off then on 57.01 Error Turn off then on Status alert 57.02 Error Turn off then on 58.04 Error Turn off then on Description Recommended action Tray not correctly installed. Reinstall the tray. Power supply fan (FM1) is defective. 1. Reconnect the connector (J21) on the DC controller PCA and the connector (J106) on the low-voltage power supply unit. 2. Measure the voltage between the connector J21-2 and J25-2 on the DC controller PCA right after the product is turned on. If the voltage changes from 0 V to approximately 24 V, replace the power supply fan. The fuser fan (FM2) is defective. 1. Reconnect the connector (J121X) on the DC controller PCA and the intermediate connector (J524). 2. Measure the voltage between the connector J121X-6 and J121X-4 on the DC controller PCA right after the product is turned on. If the voltage changes from 0 V to approximately 24 V, replace the fixing fan. Low-voltage power supply malfunction. 1. Turn the product off and then on. 2. Verify that connectors J21 and J25 on the DC controller PCA are correctly seated. Also verify that all connectors on the lowvoltage power supply are correctly seated. 3. If the problem remains, replace the low-voltage power supply. 222 Chapter 3 Solve problems ENWW